TWI682710B - Wood conveying device of forestry harvester - Google Patents

Wood conveying device of forestry harvester Download PDF

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TWI682710B
TWI682710B TW107140312A TW107140312A TWI682710B TW I682710 B TWI682710 B TW I682710B TW 107140312 A TW107140312 A TW 107140312A TW 107140312 A TW107140312 A TW 107140312A TW I682710 B TWI682710 B TW I682710B
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wood
roller
wheel
hydraulic
conveying rollers
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TW107140312A
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TW201933989A (en
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松本良三
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松本良三
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G23/00Forestry
    • A01G23/02Transplanting, uprooting, felling or delimbing trees
    • A01G23/095Delimbers
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G23/00Forestry
    • A01G23/02Transplanting, uprooting, felling or delimbing trees
    • A01G23/095Delimbers
    • A01G23/097Delimbers having a fixed delimbing head
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00Sliding-contact bearings for exclusively rotary movement
    • F16C17/02Sliding-contact bearings for exclusively rotary movement for radial load only
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02Parts of sliding-contact bearings
    • F16C33/04Brasses; Bushes; Linings
    • F16C33/20Sliding surface consisting mainly of plastics
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/10Quick-acting couplings in which the parts are connected by simply bringing them together axially
    • F16D2001/103Quick-acting couplings in which the parts are connected by simply bringing them together axially the torque is transmitted via splined connections

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  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Environmental Sciences (AREA)
  • Harvester Elements (AREA)
  • Debarking, Splitting, And Disintegration Of Timber (AREA)
  • Harvesting Machines For Root Crops (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)
  • Paper (AREA)
  • Rollers For Roller Conveyors For Transfer (AREA)

Abstract

提供可以在中間輥和輸送輥之間產生旋轉速度差時,避免輸送輥的空轉,並且中間輥和左右的輸送輥協力來將木材順利且確實地輸送的林業用收割機的木材輸送裝置。 一種林業用收割機的木材輸送裝置,是左右的輸送輥的各個液壓馬達與中間輥的左右一對的各個液壓馬達在液壓回路上串列連結,藉由液壓馬達使中間輥及左右的輸送輥旋轉來將木材一邊移動一邊進行除枝,中間輥,包含:內輪及外輪,是固定地連結於左右一對的液壓馬達的旋轉軸;以及環狀旋轉傳遞構件,是配置於這些內輪和外輪之間,環狀旋轉傳遞構件是固定於外輪的內面或內輪的外面,將內輪的旋轉傳遞於外輪,在中間輥和左右輸送輥之間產生旋轉速度差時,使外輪在內輪上藉由滑動來進行轉動。Provided is a wood conveying device for a forestry harvester that can avoid idle rotation of the conveying roller when a difference in rotation speed occurs between the intermediate roller and the conveying roller, and the intermediate roller and the left and right conveying rollers cooperate to convey the wood smoothly and surely. A wood conveying device of a harvester for forestry is that each hydraulic motor of the left and right conveying rollers and a pair of left and right hydraulic motors of the middle roller are connected in series on the hydraulic circuit, and the middle roller and the left and right conveying rollers are connected by the hydraulic motor Rotating to remove wood while moving wood, the middle roller, including: inner wheel and outer wheel, is a rotating shaft fixedly connected to a pair of left and right hydraulic motors; and a ring-shaped rotation transmission member is arranged on these inner wheels and Between the outer wheels, the ring-shaped rotation transmission member is fixed to the inner surface of the outer wheel or the outer surface of the inner wheel. When the rotation of the inner wheel is transmitted to the outer wheel, when the rotation speed difference occurs between the intermediate roller and the left and right conveying rollers, the outer wheel The wheel rotates by sliding.

Description

林業用收割機的木材輸送裝置Wood conveying device of forestry harvester

本發明是有關於使用於將橫倒的木材一邊除枝一邊切斷為既定尺寸使其成為木材的林業用收割機,特別是林業用收割機的木材輸送裝置。The present invention relates to a forestry harvester for cutting wood that has been lopped to a predetermined size while removing branches to make it into wood, particularly a wood conveying device for a forestry harvester.

此種的收割機已揭示於國際公開第2010/143076號(公知文獻1)、日本國特許第5914958號說明書(公知文獻2)等。這些的公知文獻所記載的收割機,基本上包含:固定上部切刀,是裝設於由主臂懸垂支撐的收割機本體;刀臂,是操作成往左右開合,並分別具有側切刀;左右的輸送輥,是同樣地操作成進行開合,藉由左右的可逆式液壓馬達旋轉驅動;鉗臂,是操作成往左右開合;以及動力鏈鋸,是在切斷操作時進行擺動。在收割機本體,為了可與開合操作的左右的輸送輥協力來更順利進行木材的輸送,所以中間輥設置於收割機本體的長度方向中心上。中間輥是以左右的液壓馬達來進行旋轉驅動。Such a harvester has been disclosed in International Publication No. 2010/143076 (Public Document 1), Japanese Patent No. 5914958 (Public Document 2), and the like. The harvesters described in these well-known documents basically include: a fixed upper cutter, which is mounted on the harvester body suspended by the main arm; a cutter arm, which is operated to open and close left and right, and has side cutters, respectively ; The left and right conveyor rollers are similarly operated to open and close, driven by the left and right reversible hydraulic motors; the clamp arm is operated to open and close to the left and right; and the power chain saw is to swing during the cutting operation . In the harvester body, in order to be able to cooperate with the left and right conveying rollers for opening and closing to carry out wood transportation more smoothly, the middle roller is provided at the center of the harvester body in the longitudinal direction. The intermediate roller is driven by the left and right hydraulic motors.

第7圖是概略地表示輸送輥的液壓馬達及中間輥的液壓馬達的液壓回路。左右的輸送輥的液壓馬達R1、L1是分別與中間輥的液壓馬達R2、L2在液壓回路上串列連結,將左右的輸送輥的液壓馬達R1、L1在液壓回路上並列連結,中間輥的一對的液壓馬達R2、L2是在液壓回路上並列連結。於是,從切換閥的B埠輸出的壓油是將液壓馬達R1、L1予以旋轉驅動,接著從液壓馬達R1、L1排出的壓油是將液壓馬達R2、L2予以旋轉驅動,從液壓馬達R2、L2排出的壓油是回到切換閥的A埠。Fig. 7 is a hydraulic circuit schematically showing a hydraulic motor of a conveying roller and a hydraulic motor of an intermediate roller. The hydraulic motors R1 and L1 of the left and right conveying rollers are connected in series with the hydraulic motors R2 and L2 of the middle roller on the hydraulic circuit, and the hydraulic motors R1 and L1 of the left and right conveying rollers are connected in parallel on the hydraulic circuit. The pair of hydraulic motors R2 and L2 are connected in parallel on the hydraulic circuit. Therefore, the pressure oil output from the port B of the switching valve is to rotationally drive the hydraulic motors R1, L1, and then the pressure oil discharged from the hydraulic motors R1, L1 is to rotationally drive the hydraulic motors R2, L2, and from the hydraulic motor R2, The pressure oil discharged from L2 is returned to port A of the switching valve.

木材是以刀臂和輸送輥進行環抱,此時輸送輥將木材壓在中間輥。以左右的液壓馬達的旋轉驅動使輸送輥旋轉且以左右的液壓馬達的旋轉驅動使中間輥旋轉來使木材推進既定長度。在其過程中,若有樹枝,樹枝接觸於固定上部切刀及側切刀且以這些的切刀進行除枝。在輸送木材的情況下,左右的輸送輥及中間輥的周速相同,不然則無法順利輸送木材。The wood is surrounded by a knife arm and a conveying roller, at which time the conveying roller presses the wood against the middle roller. The conveying roller is rotated by the rotational drive of the left and right hydraulic motors, and the intermediate roller is rotated by the rotational drive of the left and right hydraulic motors to advance the wood by a predetermined length. In the process, if there are branches, the branches come into contact with the fixed upper cutter and side cutters and the branches are used to remove the branches. In the case of transporting wood, the circumferential speeds of the left and right transport rollers and the middle roller are the same, otherwise the wood cannot be transported smoothly.

雖然設計上將液壓馬達的旋轉數,設定成為使輥的周速相同,但在右或左的輸送輥的液壓馬達內部產生洩漏的情況下,進入中間輥的液壓馬達R2或L2的壓油的量變得比規定量更少,中間輥的周速變得比左右的輸送輥的周速慢,因此,輸送輥空轉而發生吸收周速的差的現象。其結果,常有木材的輸送速度變得比期望速度更慢,而且輸送輥因這些的空轉使木材的表面產生刮痕,造成木材的商品價值變低的情形。Although the number of rotations of the hydraulic motor is designed so that the peripheral speed of the roller is the same, if there is a leakage inside the hydraulic motor of the right or left conveyor roller, the pressure of the hydraulic motor that enters the hydraulic motor R2 or L2 of the intermediate roller The amount becomes smaller than the predetermined amount, and the peripheral speed of the intermediate roller becomes slower than the peripheral speed of the left and right conveying rollers. Therefore, the phenomenon in which the difference in the peripheral speed is absorbed by the conveying rollers idling. As a result, the conveying speed of wood often becomes slower than desired, and the idleness of the conveying roller causes scratches on the surface of the wood, resulting in a lowered commodity value of wood.

[發明所欲解決之問題][Problems to be solved by the invention]

本發明的目地在於提供:可以避免輸送輥的這類空轉,並且中間輥和左右的輸送輥協力來將木材順利且確實地輸送的林業用收割機的木材輸送裝置。 [解決問題之技術手段]The purpose of the present invention is to provide a wood conveying device for a forestry harvester that can avoid such idle rotation of conveying rollers, and the middle roller and left and right conveying rollers cooperate to convey wood smoothly and surely. [Technical means to solve the problem]

本發明的目地是藉由提供一種木材輸送裝置來達成,該林業用收割機的木材輸送裝置,是左右的輸送輥的各個液壓馬達與中間輥的左右一對的各個液壓馬達在液壓回路上串列連結,藉由液壓馬達使中間輥及左右的輸送輥旋轉來將木材一邊移動一邊進行除枝,其構成為:中間輥,包含:內輪及外輪,是固定地連結於左右一對的液壓馬達的旋轉軸;以及環狀旋轉傳遞構件,是配置於這些內輪和外輪之間,環狀旋轉傳遞構件是固定於外輪的內面或內輪的外面,將內輪的旋轉傳遞於外輪,在中間輥和左右輸送輥之間產生旋轉速度差時,使外輪在內輪上藉由滑動來進行轉動。The purpose of the present invention is achieved by providing a wood conveying device, the wood conveying device of the forestry harvester is a hydraulic circuit of each hydraulic motor of a pair of left and right conveying rollers and a pair of left and right hydraulic motors of an intermediate roller Column connection, the middle roller and the left and right conveying rollers are rotated by a hydraulic motor to remove the wood while moving. The middle roller is composed of an inner wheel and an outer wheel, which are fixedly connected to a pair of left and right hydraulic pressures. The rotating shaft of the motor; and the ring-shaped rotation transmission member, which is arranged between these inner and outer wheels, the ring-shaped rotation transmission member is fixed to the inner surface of the outer wheel or the outer surface of the inner wheel, and transmits the rotation of the inner wheel to the outer wheel, When a difference in rotation speed occurs between the middle roller and the left and right conveying rollers, the outer wheel is rotated by sliding on the inner wheel.

[作用] 依據本發明的木材輸送裝置,在常態下,中間輥的液壓馬達及左右的輸送輥的液壓馬達是以相同旋轉數進行旋轉,木材是藉中間輥及左右的輸送輥的旋轉來順利輸送。此時中間輥是外輪經由旋轉傳遞構件來與內輪成為一體進行旋轉。當中間輥的液壓馬達的旋轉,比左右的輸送輥的液壓馬達的旋轉更慢時,中間輥的外輪以藉由輸送輥輸送的木材的移動,在以左右的液壓馬達進行旋轉的內輪上藉由環狀旋轉傳遞構件的滑動進行轉動。於是,左右的輸送輥不會對於木材進行空轉,可以藉這些的旋轉來將木材順利、確實地輸送。[effect] According to the wood conveying device of the present invention, under normal conditions, the hydraulic motor of the intermediate roller and the hydraulic motors of the left and right conveying rollers rotate at the same number of rotations, and the wood is smoothly conveyed by the rotation of the intermediate roller and the left and right conveying rollers. At this time, the intermediate roller rotates as the outer wheel is integrated with the inner wheel via the rotation transmission member. When the rotation of the hydraulic motor of the middle roller is slower than the rotation of the hydraulic motors of the left and right conveying rollers, the outer wheel of the middle roller moves on the inner wheel rotating by the left and right hydraulic motors with the movement of the wood conveyed by the conveying roller Rotation is performed by sliding of the ring-shaped rotation transmission member. Therefore, the left and right conveying rollers do not idly rotate the wood, and these rotations can be used to smoothly and surely convey the wood.

本發明所涉及的收割機是如第1圖及第2圖所示般,包含收割機的木材輸送單元1和除枝單元2,木材輸送單元1,包含:左右的輸送輥6、7,是操作成進行開合,藉由左右的可逆式液壓馬達R1、L1旋轉驅動;鉗臂8、9,是操作成往左右開合;以及殼體10,是收容在切斷操作時進行擺動的動力鏈鋸。除枝單元2,包含:固定上部切刀3,是裝設於該單元本體;以及刀臂4、4、5,是操作成往左右開合,分別具有側切刀4’、4’、5’。在收割機的木材輸送單元1的本體,為了可與開合操作的左右的輸送輥6、7協力來更順利進行木材的輸送,所以中間輥11設置於木材輸送單元的長度方向中心上。中間輥11是以左右一對的液壓馬達R2、L2來進行旋轉驅動。 The harvester according to the present invention, as shown in FIGS. 1 and 2, includes a wood conveying unit 1 and a branching unit 2 of the harvester. The wood conveying unit 1 includes: left and right conveying rollers 6, 7 Operated to open and close, driven by the left and right reversible hydraulic motors R1, L1; tong arms 8, 9 are operated to open and close to the left and right; and the housing 10 is to accommodate the power to swing during the cutting operation Chain saw. The de-branching unit 2 includes: a fixed upper cutter 3, which is mounted on the unit body; and knife arms 4, 4, 5, which are operated to open and close left and right, and have side cutters 4', 4', 5 respectively '. In the body of the wood conveying unit 1 of the harvester, in order to cooperate with the left and right conveying rollers 6 and 7 for opening and closing to carry out wood conveyance more smoothly, the intermediate roller 11 is provided at the center of the wood conveying unit in the longitudinal direction. The intermediate roller 11 is rotationally driven by a pair of left and right hydraulic motors R2 and L2.

木材的環抱是如以第2、3及4圖所更能理解般,依靠藉液壓缸12、12的伸展而將樞軸銷13、13往中心閉合的鉗臂8、9;以及藉液壓缸14、14的伸展來將以樞軸銷15、15為中心彼此閉合的輸送輥6、7來進行。 The embracing of the wood is as can be better understood with reference to Figures 2, 3 and 4, relying on the clamp arms 8, 9 which close the pivot pins 13, 13 by the extension of the hydraulic cylinders 12, 12 to the center; The extension of 14, 14 is performed by the conveying rollers 6, 7 that are closed to each other with the pivot pins 15, 15 as the center.

藉由液壓馬達R1、L1使輸送輥6、7旋轉,藉由液壓馬達R2、L2使中間輥11旋轉,並將木材往前方輸送既定長度。在其過程中,樹枝接觸於固定山形上部切刀3以及前、中、後刀臂4、4、5的側切刀4’、4’、下切刀5’,並被這些切刀切除樹枝。 The hydraulic motors R1 and L1 rotate the conveying rollers 6 and 7 and the hydraulic motors R2 and L2 rotate the intermediate rollers 11 to convey the wood forward by a predetermined length. In the process, the branches come into contact with the side cutters 4', 4'and lower cutters 5'which fix the mountain-shaped upper cutter 3 and the front, middle and rear blade arms 4, 4, 5 and the branches are cut by these cutters.

第5圖是本發明所述之木材輸送裝置的液壓回路的圖。左右的輸送輥6、7的液壓馬達R1、L1是分別與中間輥11的液壓馬達R2、L2在液壓回路上串列連結,左右的輸送輥6、7的液壓馬達R1、L1是在液壓回路上並列連結,中間輥11的一對的液壓馬達R2、L2是在液壓回路上並列連結。於是,藉由液壓泵P壓送,並藉由切換閥V的切換而從該B埠輸出的壓油是將液壓馬達R1、L1予以旋轉驅動,接著從液壓馬達R1、L1排出的壓油是將液壓馬達R2、L2予以旋轉驅動,從液壓馬達R2、L2排出的壓 油是回到切換閥的A埠。 Fig. 5 is a diagram of a hydraulic circuit of the wood conveying device according to the present invention. The hydraulic motors R1 and L1 of the left and right conveying rollers 6 and 7 are respectively connected in series with the hydraulic motors R2 and L2 of the intermediate roller 11 on the hydraulic circuit, and the hydraulic motors R1 and L1 of the left and right conveying rollers 6 and 7 are in the hydraulic circuit The upper side is connected in parallel, and the pair of hydraulic motors R2 and L2 of the intermediate roller 11 are connected in parallel on the hydraulic circuit. Therefore, the hydraulic oil pumped by the hydraulic pump P and output from the port B by switching of the switching valve V rotationally drives the hydraulic motors R1 and L1, and then the hydraulic oil discharged from the hydraulic motors R1 and L1 is The hydraulic motors R2, L2 are rotationally driven, and the pressure discharged from the hydraulic motors R2, L2 The oil is returned to port A of the switching valve.

第6圖是表示中間輥11的詳細的剖面圖。左右一對的液壓馬達R2.L2是固定於被固著在木材輸送單元本體的安裝板16、16,而且中間輥11是在這些的旋轉軸17、17,包含:內輪18及外輪19,是藉由例如圖示般的曲線聯結所固定連結;以及環狀旋轉傳遞構件20,是配置於這些內輪和外輪之間。環狀旋轉傳遞構件20是固定於外輪19的內面或內輪18的外面,外輪19是構成為與固定於其內面的環狀旋轉傳遞構件20一齊或在固定於內輪18的外面的環狀旋轉傳遞構件20上進行轉動。環狀旋轉傳遞構件20是由低摩擦特性(較理想為摩擦係數0~0.3)和金屬材料的強度,以及具尺寸穩定性的複合軸承(例如摻合了充填材的四氟乙烯樹脂)所成較佳。 FIG. 6 is a detailed cross-sectional view showing the intermediate roller 11. A pair of left and right hydraulic motors R2.L2 are fixed to the mounting plates 16, 16 fixed to the wood conveying unit body, and the intermediate roller 11 is on these rotating shafts 17, 17, including: the inner wheel 18 and the outer wheel 19, It is fixedly connected by, for example, a curved connection as shown in the figure; and the ring-shaped rotation transmission member 20 is arranged between these inner and outer wheels. The ring-shaped rotation transmission member 20 is fixed to the inner surface of the outer wheel 19 or the outer surface of the inner wheel 18, and the outer wheel 19 is configured to be together with the ring-shaped rotation transmission member 20 fixed to its inner surface or outside the inner wheel 18 The ring-shaped rotation transmission member 20 rotates. The ring-shaped rotation transmission member 20 is composed of low friction characteristics (ideally a friction coefficient of 0 to 0.3), the strength of a metal material, and a composite bearing with dimensional stability (such as tetrafluoroethylene resin mixed with a filler) Better.

依據本發明的木材輸送裝置,在常態下,中間輥11的液壓馬達R2、L2及左右的輸送輥的液壓馬達R1、L1是以相同旋轉數進行旋轉,木材是藉中間輥及左右的輸送輥的旋轉來順利輸送。此時中間輥11是外輪19經由旋轉傳遞構件來與內輪18成為一體進行旋轉。當中間輥11的液壓馬達R2或L2的旋轉,比左右的輸送輥的液壓馬達R1或L1的旋轉更慢時,因為液壓馬達的旋轉軸藉由與內輪的連結成為直接連結,所以中間輥的另一方的液壓馬達的旋轉也變慢,另一方的輸送輥的液壓馬達是與其中一方的液壓馬達在油壓上成為同步。外輪19以藉由輸送輥輸送的木材的移動,在以左右的液壓馬達進行旋轉的內輪上與環狀旋轉傳遞構件一齊,或在內輪的環狀旋轉傳遞構件上藉由滑動進行轉動。於是,左右的輸送輥不會對於木材進行空轉,可以藉這些的旋轉來將木材順利且確實地輸送。According to the wood conveying device of the present invention, under normal conditions, the hydraulic motors R2, L2 of the intermediate roller 11 and the hydraulic motors R1, L1 of the left and right conveying rollers rotate at the same number of revolutions, and the wood is borrowed from the intermediate roller and the left and right conveying rollers To rotate smoothly. At this time, the intermediate roller 11 is the outer wheel 19 that rotates integrally with the inner wheel 18 via a rotation transmission member. When the rotation of the hydraulic motor R2 or L2 of the intermediate roller 11 is slower than the rotation of the hydraulic motors R1 or L1 of the left and right conveying rollers, because the rotation shaft of the hydraulic motor is directly connected by the connection with the inner wheel, the intermediate roller The rotation of the other hydraulic motor is also slower, and the hydraulic motor of the other conveying roller is synchronized with the hydraulic motor of one of the hydraulic pressure. The outer wheel 19 is moved along with the ring-shaped rotation transmission member on the inner wheel rotating by the left and right hydraulic motors by the movement of the wood conveyed by the conveying roller, or is rotated by sliding on the ring-shaped rotation transmission member of the inner wheel. Therefore, the left and right conveying rollers do not idly rotate the wood, and the wood can be smoothly and surely conveyed by these rotations.

R1‧‧‧液壓馬達 L1‧‧‧液壓馬達 R2‧‧‧液壓馬達 L2‧‧‧液壓馬達 6‧‧‧輸送輥 7‧‧‧輸送輥 11‧‧‧中間輥 17‧‧‧旋轉軸 18‧‧‧內輪 19‧‧‧外輪 20‧‧‧環狀旋轉傳遞構件R1‧‧‧hydraulic motor L1‧‧‧hydraulic motor R2‧‧‧hydraulic motor L2‧‧‧hydraulic motor 6‧‧‧Conveying roller 7‧‧‧Conveying roller 11‧‧‧ intermediate roller 17‧‧‧rotation axis 18‧‧‧Inner wheel 19‧‧‧Outer 20‧‧‧Annular rotation transmission member

第1圖是從本發明所涉及的林業用收割機的斜上觀看的圖。 第2圖是從斜下觀看第1圖所示的收割機的立體圖。 第3圖是第1圖及第2圖所示的收割機的木材輸送單元的前視圖。 第4圖是第3圖的木材輸送單元的底視圖。 第5圖是本發明所述之液壓回路的圖。 第6圖是表示中間輥的詳細的剖面圖。 第7圖是以往所設想的液壓回路的說明圖。Fig. 1 is a diagram viewed obliquely from the forestry harvester according to the present invention. Fig. 2 is a perspective view of the harvester shown in Fig. 1 viewed obliquely from below. FIG. 3 is a front view of the wood conveying unit of the harvester shown in FIGS. 1 and 2. FIG. FIG. 4 is a bottom view of the wood conveying unit of FIG. 3. Fig. 5 is a diagram of a hydraulic circuit according to the present invention. Fig. 6 is a detailed cross-sectional view showing an intermediate roller. Fig. 7 is an explanatory diagram of a conventional hydraulic circuit.

R2‧‧‧液壓馬達 R2‧‧‧hydraulic motor

L2‧‧‧液壓馬達 L2‧‧‧hydraulic motor

11‧‧‧中間輥 11‧‧‧ intermediate roller

17‧‧‧旋轉軸 17‧‧‧rotation axis

18‧‧‧內輪 18‧‧‧Inner wheel

19‧‧‧外輪 19‧‧‧Outer

20‧‧‧環狀旋轉傳遞構件 20‧‧‧Annular rotation transmission member

Claims (1)

一種林業用收割機的木材輸送裝置,是左右的輸送輥的各個液壓馬達與中間輥的左右一對的各個液壓馬達在液壓回路上串列連結,其構成為:中間輥,包含:內輪及外輪,是固定地連結於左右一對的液壓馬達的旋轉軸;以及環狀旋轉傳遞構件,是配置於這些內輪和外輪之間,環狀旋轉傳遞構件是固定於外輪的內面或內輪的外面,將內輪的旋轉傳遞於外輪,在中間輥和左右輸送輥之間產生旋轉速度差時,使外輪在內輪上藉由滑動來進行轉動。A wood conveying device for a forestry harvester is that the hydraulic motors of the left and right conveying rollers and the pair of left and right hydraulic motors of the middle roller are connected in series on the hydraulic circuit. The structure is: the middle roller includes: an inner wheel and The outer wheel is a rotating shaft fixedly connected to a pair of left and right hydraulic motors; and a ring-shaped rotation transmission member is arranged between these inner wheels and the outer wheel, and the ring-shaped rotation transmission member is fixed to the inner surface of the outer wheel or the inner wheel On the outer surface, the rotation of the inner wheel is transmitted to the outer wheel, and when there is a difference in rotation speed between the intermediate roller and the left and right conveying rollers, the outer wheel is rotated by sliding on the inner wheel.
TW107140312A 2017-11-14 2018-11-14 Wood conveying device of forestry harvester TWI682710B (en)

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